Global Patent Index - EP 2535872 A1

EP 2535872 A1 20121219 - Radiographic imaging system

Title (en)

Radiographic imaging system

Title (de)

Röntgenbildgebungssystem

Title (fr)

Système d'imagerie radiographique

Publication

EP 2535872 A1 20121219 (EN)

Application

EP 12172019 A 20120614

Priority

  • JP 2011132955 A 20110615
  • JP 2011149411 A 20110705
  • JP 2012129947 A 20120607

Abstract (en)

A radiographic imaging system is adapted to reconstruct a tomographic image in a given cross section of a subject from projection images of a subject acquired in tomosynthesis imaging. The radiographic imaging system comprises a frequency filtering processor for producing band limiting image signals having different frequency response characteristics from projection image signals corresponding to the projection images; a non-linear conversion processor for performing non-linear conversion of band limiting image signals to reduce a portion of band limiting image signals exceeding a given value; an integration processor for adding up band limiting image signals having undergone non-linear conversion through the non-linear conversion processor to produce converted image signals; and a back projection processor for reconstructing the tomographic image in the given cross section of the subject from the converted image signals corresponding to the projection images.

IPC 8 full level

G06T 11/00 (2006.01)

CPC (source: EP US)

G06T 11/006 (2013.01 - EP US); G06T 2211/421 (2013.01 - EP US); G06T 2211/436 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2535872 A1 20121219; US 2012321163 A1 20121220; US 9286702 B2 20160315

DOCDB simple family (application)

EP 12172019 A 20120614; US 201213523543 A 20120614